ALS is a rare neurodegenerative disorder affecting voluntary muscle control. Incidence is 1.6/100,000 individuals per year, with 1 in 400 lifetime risk. Disease typically starts around age 60, with average survival of 2-4 years
ME/CFS is a disabling chronic illness causing profound fatigue and sleep problems. About a quarter of affected individuals cannot leave their bed or home. Hallmark symptom is post-exertional malaise worsening after minor activity
Myasthenia gravis is a chronic autoimmune disorder affecting muscle-nerve communication. Immune system attacks acetylcholine receptors, causing muscle weakness. Up to 80% of acetylcholine receptors can be damaged. Disease typically affects women 20-40, men after 50
Low blood pressure is defined as readings below 90/60. Optimal blood pressure is below 120/80 mmHg. Blood pressure readings consist of systolic (heart beats) and diastolic (resting) numbers
Fever is a body temperature above 100.4°F, indicating an immune system response. Normal body temperature ranges from 97 to 99°F. Low-grade fever is typically 99.5 to 100.3°F
Viral infections can cause mucus production and throat drainage. Bacterial infections often present with fever and difficulty breathing